Description: Soviet Red Army rare cold war radio military R-312 USSR Manual book instruction (after RADIO R-311) Special military VHF radio receiver "R-312" (Beta). Issued since 1954. The radio receiver "R-312" was intended for organizing radio communications and radio control in the Soviet Army. The radio receiver is assembled on ten radio tubes of the 2Zh27L type and operates in five subbands with smooth frequency overlap from 15 to 60 MHz, with sufficient reserves at the edges of the subranges. The receiver can receive radio stations operating with AM, FM and tone modulation, as well as telegraph and signals with suppressed carrier. When receiving AM-FM radio stations, the sensitivity of the receiver is 5-8 µV, and when receiving telegraph and SSB - 2-3 µV. The radio receiver has a two-stage IF bandwidth adjustment that switches automatically when modulation is selected. When receiving AM signals, the IF bandwidth can be changed from 9 kHz with a narrow band, to 25 kHz with a wide band, when receiving FM signals from 60 and up to 180 kHz, respectively, when receiving telegraph signals and SSB from 3 to 9 kHz. With a strong signal, signal bursts outside the 3 kHz band are quite noticeable. The receiver has a mode for receiving telegraph signals using the method of beats between audio frequencies, the so-called tone modulation. The selectivity on the adjacent channel of the receiver is 74 dB, and this is the maximum value when receiving CW - SSB, on the mirror one it is from 36 to 60 dB. IF is 3 MHz. The receiver is powered by 2.5 V batteries, which feed the lamps directly, and the anodes of the lamps are powered through a vibration transducer with an output voltage of 80 volts. Current consumption at the anode is no more than 25 mA, at the incandescent 0.7 a. Low frequency amplifier power 50 mW. The dimensions of the receiver are 445x290x255 mm, its weight is 20 kg.
Price: 41 USD
Location: ex-Poland
End Time: 2025-01-17T15:19:45.000Z
Shipping Cost: 10 USD
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Return shipping will be paid by: Buyer
All returns accepted: Returns Accepted
Item must be returned within: 30 Days
Refund will be given as: Money Back
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Author: Rus A
Book Title: A Clash of Kings
Country/Region of Manufacture: Russian Federation
Era: 1960s
Genre: Military
Language: Russian
Topic: Radio, War
Vintage: Yes
